24V 2CO 6A PCB Relay
- Voltage: 24V
- Current: 6A
- Complete range from PCB to power relays to cover all of your switching requirements
- International certifications and approvals including CE, CSA, EAC, PCT, RINA, VDE and RoHS, providing quality assurance of a market leading product
- Compact construction allowing for most efficient use of space
1.3″ OLED Display I2C 128*64 display module Blue 4pin
HC-06 4Pin Bluetooth Module Without Reset Switch
- Working current: matching for 30 mA, matching the communication for 8 mA.
- Dormancy current: no dormancy.
- Used for a GPS navigation system, water, and electricity gas meter reading system.
- With the computer and Bluetooth adapter, PDA, seamless connection equipment.
- Bluetooth module HC-08 Master and slave Two in one module.
- Use the CSR mainstream Bluetooth chip, Bluetooth V2.0 protocol standards.
- Potter default rate of 9600, the user can be set up.
- Bluetooth protocol: Bluetooth Specification v2.0+EDR
- Speed: Asynchronous: 2.1Mbps(Max) / 160 kbps, Synchronous: 1Mbps/1Mbps.
- Security: Authentication and encryption.
- Profiles: Bluetooth serial port.
RP203 Thermal printer with case 5V
- Model RP203 Thermal Printer Panel
- Print method: Direct thermal print and auto paper feed.
- Printing Width: 48 MM.
- Max Printer Speed: 85 mm/s (max).
- Printer Interface: TTL/RS232,
- Command System: ESC/ WH,
- Working Voltage: DC3.3V-9V,15V,
- Rich graphics/curve/text printing function,
- Printing head lifespan: >50KM,
- Paper Type: Thermal paper (With 58mm, Thickness 65+5um, diameter 35mm),
- Printer dimension: 76.8*77.4*43.5mm(w*h*d),
ESP8266 Serial Wifi module Adapter Plate
1.8″ TFT DISPLAY FOR ARDUINO
- Display Size: 1.8″
- Driver IC: ST7735
- Input Voltage (V): 3.3 to 5
- Pixel Resolution: 128 x 160
- Interface Type: SPI
- 18-bit (262,144) colour
- 4 or 5 wire SPI digital interface
- Built-in microSD slot – uses 2 more digital lines5V compatible!
- Use with 3.3V or 5V logic
- On-board 3.3V @ 150mA LDO regulator
- 2 white LED backlight, a transistor connected so you can PWM dim the backlight
- 1×10 header for easy breadboarding
- 4 x 0.9″/2mm mounting holes in corners
- Overall dimensions: 34 x 56 x 6.5mm
- Current draw is based on LED backlight usage: with full backlight draw is ~50mA
WEMOS D1 Pro mini-16m External Antenna Connector ESP8266 WIFI Networking Smart Component
24V/12V to 5V 5A Power Module DC-DC XY-3606 Power Converter
- Working voltage: DC 9V–36V
- Output voltage: 5.2V/5A/25W
- 9~24V input: Output 5.2V/6A/30W
- 24~32V input: output 5.2V/5A/25W
- 32~36V input: output 5.2V/3.5A/18
- The synchronous rectification scheme, wide voltage, high current, high efficiency.
- With DC plug and terminals, easy to use.
- With USB port, fast-charge identification chip compatible with Android and iPhone mobile phones.
Bluetooth XBee USB Adapter FT232RL for Arduino with Cable
- IC Chip: FT232RL
- Input Supply Voltage: 3.3 ~ 5 VDC
- Connectivity: USB
- Communication Protocol: UART, Bit Bang I/O, SPI
- Cable Length: 30cm
- Board Dimensions: 42x26x6mm
- Interface: Mini-B USB, 2.54mm pitch pin header.
- Adapter socket: XBee compatible 2.0mm pitch female pin header.
- 3V and 5V IO compatible.
- USB 2.0 protocol.
- Easily connected to a PC via mini USB cable.
- XBee-setting support software X-CTU.
WeMos D1 ESP Wroom 02 Board ESP8266 Mini WiFi Nodemcu Module 18650 Battery
- One AD inputs.
- Micro USB inputs.
- One programmable LED (D0).
- AUTO PROGRAM circuit.
- ESP8266 (ESP-WROOM-02 With TELEC) is equivalent to the NodeMCU.
- Analog Input (AD): Built-in dividing resistor (AD = 220K ADC 100K = GND).
- There is a SOLDER terminal for SLEEP MODE.
- Compatible With Arduino andNodeMCU.
- Operation and charging are possible at the same time.
- 18650 charging circuit including the 5V boosting circuit with TP5410.
- Overcharge protection, over-discharge protection built-in.
- LED: Red = Charging, Green = Full charging.
- 3000 mA 18650 It is possible to operate for more than 17 hours on a battery.
- Integrated 18650 battery charging and discharging system.
- One switch controls whether the 18650 battery is on power or not.
- OLEDs SDA and SCL can connect to the D1 pin and the D2 pin respectively.
- The five buttons can be controlled by FLATH, RSET, D5, D6, and D7 respectively.
- The 5 Digital pins can configure the write/read/interrupt/PWM/I2C/one-wire supported separately.
- Operation and NodeMCU consistent, adding a programmable LED, you can use GPIO16 to control; display 8266 running status and other functions. Integrated OLED and five buttons, more convenient for development.
- The design concept originates from the open-source project NodeMCU; the development board integrates 18650 charging and discharging systems with charging and discharging protection. At the same time, an OLED and five directional buttons are integrated to facilitate the development.
WeMos D1 Lithium Battery Charger Board with Mini USB
- Charging Voltage: max: 10V, recommend: 5V
- Charging Current: max: 1A
- Lithium Battery voltage: 3.3-4.2V
- Boost Power Supply: 5V(max: 1A)
- Can use  D1 mini without a USB cable, it's really wireless
- Can use D1 mini anywhere, using this battery shield and a lithium Battery.
- High reliability
- Charging, when the battery run out, you do not need to unplug the battery, just use the USB port to charge.
ESP32 LoRa SX1278 0.96 Inch Blue OLED Display BT WiFi Module for Arduino
- Operating voltage: 3.3V to 7V
- Operating temperature range: -40 ° C to + 90 ° C
- Frequency:433MHz
- Supports Sniffer, Station, softAP and Wi-Fi Direct modes
- Data rate: 150 Mbps @ 11n HT40,72 Mbps @ 11n HT20,54 Mbps @ 11g, 11 Mbps @ 11b
- Transmit power: 19.5 dBm @ 11b, 16.5 dBm @ 11g, 15.5 dBm @ 11n
- Receiver sensitivity up to – 98 dBm
- UDP continues to throughput by 135 Mbps
- Application:Camera